1 /* $Id: ts.h,v 1.5 1996/03/23 18:35:47 bsmith Exp bsmith $ */ 2 /* 3 User interface for the time-stepping package. This is package 4 is for use in solving time dependent PDES. 5 */ 6 #if !defined(__TS_PACKAGE) 7 #define __TS_PACKAGE 8 #include "snes.h" 9 10 typedef struct _TS* TS; 11 #define TS_COOKIE PETSC_COOKIE+18 12 13 typedef enum { TS_EULER, TS_BEULER, TS_PSEUDO_POSITION_INDEPENDENT_TIMESTEP, 14 TS_PSEUDO_POSITION_DEPENDENT_TIMESTEP} TSType; 15 typedef enum { TS_LINEAR, TS_NONLINEAR} TSProblemType; 16 17 extern int TSCreate(MPI_Comm,TSProblemType,TS*); 18 extern int TSSetType(TS,TSType); 19 extern int TSDestroy(TS); 20 21 extern int TSSetMonitor(TS,int(*)(TS,int,double,Vec,void*),void *); 22 extern int TSGetType(TS,TSType*,char**); 23 24 extern int TSSetFromOptions(TS); 25 extern int TSSetUp(TS); 26 27 extern int TSSetSolution(TS,Vec); 28 extern int TSGetSolution(TS,Vec*); 29 30 extern int TSSetDuration(TS,int,double); 31 extern int TSPrintHelp(TS); 32 33 extern int TSDefaultMonitor(TS,int,double,Vec,void*); 34 extern int TSStep(TS,int *,double*); 35 36 extern int TSSetInitialTimeStep(TS,double,double); 37 extern int TSGetTimeStep(TS,double*); 38 extern int TSGetTimeStepNumber(TS,int*); 39 extern int TSSetTimeStep(TS,double); 40 41 extern int TSSetRHSFunction(TS,int (*)(TS,double,Vec,Vec,void*),void*); 42 extern int TSSetRHSMatrix(TS,Mat,Mat,int (*)(TS,double,Mat*,Mat*,MatStructure*,void*),void*); 43 extern int TSSetRHSJacobian(TS,Mat,Mat,int(*)(TS,double,Vec,Mat*,Mat*,MatStructure*,void*),void*); 44 45 extern int TSPseudoSetPositionIndependentTimeStep(TS,int(*)(TS,double*,void*),void*); 46 extern int TSPseudoSetPositionDependentTimeStep(TS,int(*)(TS,Vec,void*),void*); 47 extern int TSPseudoDefaultPositionIndependentTimeStep(TS,double*,void* ); 48 49 extern int TSComputeRHSFunction(TS,double,Vec,Vec); 50 51 extern int TSRegisterAll(); 52 extern int TSRegister(int,char*,int (*)(TS)); 53 54 extern int TSGetSNES(TS,SNES*); 55 extern int TSGetSLES(TS,SLES*); 56 57 extern int TSView(TS,Viewer); 58 59 extern int TSSetApplicationContext(TS,void *); 60 extern int TSGetApplicationContext(TS,void **); 61 62 #endif 63 64 65 66 67 68